* [PATCH -next 00/26] treewide: Use dma_zalloc_coherent @ 2014-06-15 20:37 Joe Perches 2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches 2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " Joe Perches 0 siblings, 2 replies; 4+ messages in thread From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw) To: linux-kernel Cc: linuxppc-dev, linux-sh, linux-ide, linux-nvme, linux-crypto, dmaengine, dri-devel, linux-rdma, linux-arm-msm, linux-mmc, netdev, e1000-devel, ath10k, linux-wireless, wcn36xx, users, linux-scsi, linux-usb, linux-fbdev, alsa-devel Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Joe Perches (26): powerpc: Use dma_zalloc_coherent sh: Use dma_zalloc_coherent ata: Use dma_zalloc_coherent block: Use dma_zalloc_coherent crypto: Use dma_zalloc_coherent dma: Use dma_zalloc_coherent gpu: Use dma_zalloc_coherent infiniband: Use dma_zalloc_coherent mmc: Use dma_zalloc_coherent broadcom: Use dma_zalloc_coherent hisilicon: Use dma_zalloc_coherent intel: Use dma_zalloc_coherent ath: Use dma_zalloc_coherent rt2x00: Use dma_zalloc_coherent bfa: Use dma_zalloc_coherent bnx2fc: Use dma_zalloc_coherent bnx2i: Use dma_zalloc_coherent dpt_i2o: Use dma_zalloc_coherent lpfc: Use dma_zalloc_coherent megaraid: Use dma_zalloc_coherent mvsas: Use dma_zalloc_coherent qla2xxx: Use dma_zalloc_coherent qla4xxx: Use dma_zalloc_coherent usb: Use dma_zalloc_coherent fbdev: Use dma_zalloc_coherent sound: Use dma_zalloc_coherent arch/powerpc/platforms/pasemi/dma_lib.c | 8 ++-- arch/powerpc/sysdev/fsl_rmu.c | 9 ++-- arch/sh/mm/consistent.c | 4 +- drivers/ata/sata_fsl.c | 5 +-- drivers/block/nvme-core.c | 5 +-- drivers/crypto/amcc/crypto4xx_core.c | 8 ++-- drivers/crypto/ixp4xx_crypto.c | 8 ++-- drivers/dma/imx-sdma.c | 5 +-- drivers/dma/mxs-dma.c | 8 ++-- drivers/gpu/drm/drm_pci.c | 6 +-- drivers/infiniband/hw/cxgb3/cxio_hal.c | 7 ++-- drivers/infiniband/hw/mthca/mthca_memfree.c | 5 +-- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 20 ++++----- drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 6 +-- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 8 ++-- drivers/mmc/host/msm_sdcc.c | 8 ++-- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 +-- drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 5 +-- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 6 +-- drivers/net/wireless/ath/ath10k/pci.c | 8 +--- drivers/net/wireless/ath/ath10k/wmi.c | 8 +--- drivers/net/wireless/ath/wcn36xx/dxe.c | 6 +-- drivers/net/wireless/rt2x00/rt2x00mmio.c | 8 ++-- drivers/scsi/bfa/bfad_bsg.c | 6 +-- drivers/scsi/bnx2fc/bnx2fc_hwi.c | 59 ++++++++++++--------------- drivers/scsi/bnx2fc/bnx2fc_tgt.c | 51 ++++++++++------------- drivers/scsi/bnx2i/bnx2i_hwi.c | 14 +++---- drivers/scsi/dpt_i2o.c | 19 ++++----- drivers/scsi/lpfc/lpfc_bsg.c | 5 +-- drivers/scsi/lpfc/lpfc_init.c | 22 ++++------ drivers/scsi/lpfc/lpfc_mbox.c | 6 +-- drivers/scsi/lpfc/lpfc_sli.c | 14 +++---- drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 ++-- drivers/scsi/mvsas/mv_init.c | 26 +++++------- drivers/scsi/qla2xxx/qla_init.c | 10 ++--- drivers/scsi/qla4xxx/ql4_init.c | 5 +-- drivers/scsi/qla4xxx/ql4_mbx.c | 21 ++++------ drivers/scsi/qla4xxx/ql4_nx.c | 5 +-- drivers/scsi/qla4xxx/ql4_os.c | 12 +++--- drivers/usb/dwc2/hcd_ddma.c | 20 ++++----- drivers/usb/host/uhci-hcd.c | 7 ++-- drivers/video/fbdev/da8xx-fb.c | 9 ++-- sound/aoa/soundbus/i2sbus/core.c | 12 ++---- sound/sparc/dbri.c | 6 +-- 44 files changed, 197 insertions(+), 308 deletions(-) -- 1.8.1.2.459.gbcd45b4.dirty ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH -next 13/26] ath: Use dma_zalloc_coherent 2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches @ 2014-06-15 20:37 ` Joe Perches 2014-06-16 9:24 ` Kalle Valo 2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " Joe Perches 1 sibling, 1 reply; 4+ messages in thread From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw) To: linux-kernel Cc: Kalle Valo, John W. Linville, Eugene Krasnikov, ath10k, linux-wireless, netdev, wcn36xx Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Signed-off-by: Joe Perches <joe@perches.com> --- drivers/net/wireless/ath/ath10k/pci.c | 8 ++------ drivers/net/wireless/ath/ath10k/wmi.c | 8 ++------ drivers/net/wireless/ath/wcn36xx/dxe.c | 6 ++---- 3 files changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index d0004d5..35045a4 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -359,16 +359,12 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, * 2) Buffer in DMA-able space */ orig_nbytes = nbytes; - data_buf = (unsigned char *)dma_alloc_coherent(ar->dev, - orig_nbytes, - &ce_data_base, - GFP_ATOMIC); - + data_buf = dma_zalloc_coherent(ar->dev, orig_nbytes, &ce_data_base, + GFP_ATOMIC); if (!data_buf) { ret = -ENOMEM; goto done; } - memset(data_buf, 0, orig_nbytes); remaining_bytes = orig_nbytes; ce_data = ce_data_base; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 4b7782a..0093269 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1889,17 +1889,13 @@ static int ath10k_wmi_alloc_host_mem(struct ath10k *ar, u32 req_id, if (!pool_size) return -EINVAL; - ar->wmi.mem_chunks[idx].vaddr = dma_alloc_coherent(ar->dev, - pool_size, - &paddr, - GFP_ATOMIC); + ar->wmi.mem_chunks[idx].vaddr = dma_zalloc_coherent(ar->dev, pool_size, + &paddr, GFP_ATOMIC); if (!ar->wmi.mem_chunks[idx].vaddr) { ath10k_warn("failed to allocate memory chunk\n"); return -ENOMEM; } - memset(ar->wmi.mem_chunks[idx].vaddr, 0, pool_size); - ar->wmi.mem_chunks[idx].paddr = paddr; ar->wmi.mem_chunks[idx].len = pool_size; ar->wmi.mem_chunks[idx].req_id = req_id; diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 73f12f1..1975a1a 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -177,13 +177,11 @@ static int wcn36xx_dxe_init_descs(struct wcn36xx_dxe_ch *wcn_ch) int i; size = wcn_ch->desc_num * sizeof(struct wcn36xx_dxe_desc); - wcn_ch->cpu_addr = dma_alloc_coherent(NULL, size, &wcn_ch->dma_addr, - GFP_KERNEL); + wcn_ch->cpu_addr = dma_zalloc_coherent(NULL, size, &wcn_ch->dma_addr, + GFP_KERNEL); if (!wcn_ch->cpu_addr) return -ENOMEM; - memset(wcn_ch->cpu_addr, 0, size); - cur_dxe = (struct wcn36xx_dxe_desc *)wcn_ch->cpu_addr; cur_ctl = wcn_ch->head_blk_ctl; -- 1.8.1.2.459.gbcd45b4.dirty ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH -next 13/26] ath: Use dma_zalloc_coherent 2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches @ 2014-06-16 9:24 ` Kalle Valo 0 siblings, 0 replies; 4+ messages in thread From: Kalle Valo @ 2014-06-16 9:24 UTC (permalink / raw) To: Joe Perches Cc: linux-kernel, John W. Linville, Eugene Krasnikov, ath10k, linux-wireless, netdev, wcn36xx Joe Perches <joe@perches.com> writes: > Use the zeroing function instead of dma_alloc_coherent & memset(,0,) > > Signed-off-by: Joe Perches <joe@perches.com> For ath10k: Acked-by: Kalle Valo <kvalo@qca.qualcomm.com> -- Kalle Valo ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH -next 14/26] rt2x00: Use dma_zalloc_coherent 2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches 2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches @ 2014-06-15 20:37 ` Joe Perches 1 sibling, 0 replies; 4+ messages in thread From: Joe Perches @ 2014-06-15 20:37 UTC (permalink / raw) To: linux-kernel Cc: Ivo van Doorn, Helmut Schaa, John W. Linville, linux-wireless, users, netdev Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Signed-off-by: Joe Perches <joe@perches.com> --- drivers/net/wireless/rt2x00/rt2x00mmio.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c index 6f236ea..f0178fd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mmio.c +++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c @@ -119,14 +119,12 @@ static int rt2x00mmio_alloc_queue_dma(struct rt2x00_dev *rt2x00dev, /* * Allocate DMA memory for descriptor and buffer. */ - addr = dma_alloc_coherent(rt2x00dev->dev, - queue->limit * queue->desc_size, - &dma, GFP_KERNEL); + addr = dma_zalloc_coherent(rt2x00dev->dev, + queue->limit * queue->desc_size, &dma, + GFP_KERNEL); if (!addr) return -ENOMEM; - memset(addr, 0, queue->limit * queue->desc_size); - /* * Initialize all queue entries to contain valid addresses. */ -- 1.8.1.2.459.gbcd45b4.dirty ^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-06-16 9:24 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2014-06-15 20:37 [PATCH -next 00/26] treewide: Use dma_zalloc_coherent Joe Perches 2014-06-15 20:37 ` [PATCH -next 13/26] ath: " Joe Perches 2014-06-16 9:24 ` Kalle Valo 2014-06-15 20:37 ` [PATCH -next 14/26] rt2x00: " Joe Perches
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